Auth bypass in Cyberlord92 Saml Single Sign On – Sso Login
CVE-2026-15981
The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.4.4. This is due to the mo_saml_validate_signature() function performing a loose boolean check on the r…
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cyberlord92 Saml Single Sign On – Sso Login — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-15981?
- CVE-2026-15981 is a critical-severity vulnerability in Cyberlord92 Saml Single Sign On – Sso Login, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-07-23.
- How severe is CVE-2026-15981?
- Critical severity. CVSS v3 base score is 9.8 out of 10.